EGPWS LINE MAINTENANCE MANUAL
CAGE CODE: 97896
SCALE: NONE SIZE: A
DWG NO.: 060-4199-180
REV: G
SHEET 6 of 68
3.8.3
+28V Landing Gear Discrete ..................................................................................................................... 38
3.8.4
GND Landing Flap Discrete or Flap Override ........................................................................................... 39
3.8.5
+28V Landing Flap or Flap Override Discrete........................................................................................... 39
3.8.6
Flap Position Discretes.............................................................................................................................. 40
3.8.7
Self-Test Discrete ...................................................................................................................................... 40
3.8.8
Steep Approach Discretes......................................................................................................................... 40
3.8.9
GND ILS Tuned Discrete........................................................................................................................... 41
3.8.10
+28V ILS Tuned Discrete .......................................................................................................................... 41
3.8.11
Glideslope Validity Discretes..................................................................................................................... 41
3.8.12
GND Glideslope Inhibit Discrete................................................................................................................ 42
3.8.13
+28 V Glideslope Inhibit Discrete .............................................................................................................. 42
3.8.14
GND Glideslope Cancel Discrete .............................................................................................................. 42
3.8.15
Decision Height Discrete ........................................................................................................................... 42
3.8.16
Mode 6 Volume Control Discrete .............................................................................................................. 43
3.8.17
Callouts Enable Discrete (MK V and MK VII only) .................................................................................... 43
3.8.18
GND Audio Suppress(Inhibit)/All Modes Inhibit Discrete .......................................................................... 43
3.8.19
+28 V Audio Suppress(Inhibit)/All Modes Inhibit Discrete......................................................................... 43
3.8.20
AOA Validity Discretes (MK V and MK VII only) ....................................................................................... 44
3.8.21
Display Select Discretes............................................................................................................................ 44
3.8.22
Terrain Awareness & TCF Inhibit .............................................................................................................. 44
3.8.23
Simulator Reposition (MK V and MK VII only) .......................................................................................... 44
3.8.24
Weather Radar On/Off............................................................................................................................... 45
3.8.25
Localizer Validity Discretes (MK V and MK VII only)................................................................................. 45
3.8.26
Attitude Validity Discretes.......................................................................................................................... 45
3.8.27
Airspeed Validity Discrete ......................................................................................................................... 45
3.8.28
Barometric Altitude Rate Validity Discretes............................................................................................... 46
3.8.29
Acceleration Self-Test In Progress Discrete ............................................................................................. 46
3.8.30
Longitudinal Acceleration Validity Discrete ............................................................................................... 46
3.8.31 ....................................................................................................................................................................... 46
3.8.32
Normal Acceleration Validity Discrete ....................................................................................................... 46
3.8.33
Magnetic Heading Validity Discrete........................................................................................................... 47
3.8.34
AOA Vane Heater Discrete ....................................................................................................................... 47
3.8.35
PLI Deselect Switch Discretes (MK V and MK VII only)............................................................................ 47
3.8.36
Autopilot Disconnect Discretes.................................................................................................................. 47
3.8.37
Tactical Select Discrete ............................................................................................................................. 48
3.8.38
Altitude Alert Discrete ................................................................................................................................ 48
3.8.39
Corrected Barometric Altitude Validity Discrete ........................................................................................ 48
3.8.40
Momentary Flap Override Discrete ........................................................................................................... 48
3.8.41
Weight On Wheels Discrete ...................................................................................................................... 49
3.8.42
GPWS Inhibit Discrete............................................................................................................................... 49
3.8.43
RAAS EnABLE Discrete (MK V and MK VII Only) .................................................................................... 49
3.8.44
RAAS Inhibit Discrete (MK V and MK VII Only) ........................................................................................ 49
3.8.45
Stabilized Approach Monitor Enable Discrete (MK V and MK VII Only) ................................................... 50
3.8.46
Stabilized Approach Monitor Inhibit Discrete (MK V and MK VII Only)..................................................... 50
3.8.47
Low Airspeed Monitor Inhibit Discrete (MK V – 737NG Only) .................................................................. 50
4
MAINTENANCE PRACTICES.............................................................................................................................. 51
4.1
G
ENERAL
................................................................................................................................................................ 51
4.2
D
ATABASE
U
PDATE
................................................................................................................................................. 51
4.2.1
Database Update Frequency .................................................................................................................... 51
4.2.2
Loading a Database .................................................................................................................................. 51
4.3
F
LIGHT
H
ISTORY
D
OWNLOADING
..............................................................................................................................52
4.3.1
Obtaining an EGPWS Flight History Download Card ...............................................................................52
4.3.2
Download Procedure ................................................................................................................................. 52
4.3.3
Transcription of the PCMCIA Card............................................................................................................ 53
4.4
P
ROGRAMMING THE
C
ONFIGURATION
M
ODULE
(MK
VI,
MK
VIII,
MK
XXII
ONLY
)........................................................ 54
4.4.1
Configuration Module Reprogramming (MK VI, MK VIII, MK XXII only) ................................................... 55
5
SERVICING .......................................................................................................................................................... 57